It's progress I think, that science has joined philosophy, metaphysics & religion as subjects drunk people argue about in bars.

God displayed a sense of humor when he configured the region between our legs an entertainment complex built around a sewage system.

No one is saying you're possessed by the devil anymore except the most ignorant of people in modern culture.

The greatest teachers are the ones that turn a B student into an A student, or a failing student into a B student.

Hunting for meteorites is like trying to find a pebble on miles of beach.

When I grew up I assembled my role models à la cart. I wanted to be an astrophysicist. If I tried to find a role model who grew up in the Bronx with my skin color who was an astrophysicist, I would never have become an astrophysicist.

If Mars formed life, then life on Earth could have been seeded by life on Mars, making every life form on Earth descended from Martians.